#include <iostream>
#include <vector>
using namespace std;
void hello() {
    cout<<"ni ma"<<endl;
    cout<<"lllll"<<endl;
    cout<<"789987"<<endl;
    for (int i = 0; i < 10; ++i) {
        cout<<i<<" ";
    }
    cout<<endl;
    cout<<"niu bi"<<endl;
}
int main() {
    cout<<"hello"<<endl;    
}